value	unc_up	unc_lo	author	ref	method
4.82	1.740	1.740	Nugent	2016AJ....152...63N	NEATM
4.99	1.030	1.030	Masiero	2021PSJ.....2..162M	NEATM
5.15	1.910	1.910	Masiero	2012ApJ...759L...8M	NEATM